./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-misc-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-misc-2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:33:37,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:33:37,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:33:37,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:33:37,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:33:37,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:33:37,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:33:37,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:33:37,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:33:37,463 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:33:37,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:33:37,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:33:37,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:33:37,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:33:37,465 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:33:37,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:33:37,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:33:37,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:33:37,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:33:37,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:33:37,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:33:37,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:33:37,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:33:37,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:33:37,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:33:37,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:33:37,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:33:37,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:33:37,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:33:37,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:33:37,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:33:37,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:33:37,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:33:37,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:33:37,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:33:37,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:33:37,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:33:37,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:33:37,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:33:37,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:33:37,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:33:37,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:33:37,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:33:37,474 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:33:37,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:33:37,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:33:37,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:33:37,761 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:33:37,772 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:33:37,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-misc-2.wvr.yml/witness.yml [2024-02-05 10:33:37,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:33:37,968 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:33:37,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-02-05 10:33:39,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:33:39,318 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:33:39,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-02-05 10:33:39,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/867539f40/812025bbd3a24c309a4ebb170caffef3/FLAGd5dac1845 [2024-02-05 10:33:39,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/867539f40/812025bbd3a24c309a4ebb170caffef3 [2024-02-05 10:33:39,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:33:39,352 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:33:39,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:33:39,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:33:39,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:33:39,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:37" (1/2) ... [2024-02-05 10:33:39,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bd8097 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:33:39, skipping insertion in model container [2024-02-05 10:33:39,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:37" (1/2) ... [2024-02-05 10:33:39,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15539e3b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:33:39, skipping insertion in model container [2024-02-05 10:33:39,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:33:39" (2/2) ... [2024-02-05 10:33:39,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bd8097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39, skipping insertion in model container [2024-02-05 10:33:39,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:33:39" (2/2) ... [2024-02-05 10:33:39,363 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:33:39,394 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:33:39,399 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,400 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,400 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] ((N == 0U) && (d1 == (_Bool)0)) && (d2 == (_Bool)0) [2024-02-05 10:33:39,400 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,400 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L88-L88] (d2 == (_Bool)0) && (d1 == (_Bool)0 || d1 == (_Bool)1) [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L93-L93] (d1 == (_Bool)0 || d1 == (_Bool)1) && (d2 == (_Bool)0 || d2 == (_Bool)1) [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Loop invariant at [L61-L61] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L73-L73] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,401 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] ((((i1 == 0U) && (i2 == 0U)) && (N == 0U)) && (d1 == (_Bool)0)) && (d2 == (_Bool)0) [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,402 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (d1 == (_Bool)0 || d1 == (_Bool)1) && (d2 == (_Bool)0 || d2 == (_Bool)1) [2024-02-05 10:33:39,403 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,403 INFO L101 nessWitnessExtractor]: Loop invariant at [L42-L42] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,403 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] (((i2 == 0U) && (N == 0U)) && (d1 == (_Bool)0)) && (d2 == (_Bool)0) [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (((((pos == 0U) && (i1 == 0U)) && (i2 == 0U)) && (N == 0U)) && (d1 == (_Bool)0)) && (d2 == (_Bool)0) [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] (d1 == (_Bool)0) && (d2 == (_Bool)0) [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,404 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,405 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,405 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-02-05 10:33:39,426 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:33:39,585 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2024-02-05 10:33:39,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:33:39,598 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:33:39,654 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c[2580,2593] [2024-02-05 10:33:39,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:33:39,668 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:33:39,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39 WrapperNode [2024-02-05 10:33:39,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:33:39,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:33:39,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:33:39,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:33:39,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,729 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-02-05 10:33:39,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:33:39,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:33:39,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:33:39,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:33:39,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,753 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,780 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-05 10:33:39,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:33:39,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:33:39,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:33:39,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:33:39,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (1/1) ... [2024-02-05 10:33:39,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:33:39,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:33:39,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:33:39,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:33:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:33:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:33:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:33:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:33:39,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:33:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:33:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:33:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:33:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:33:39,948 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:33:40,062 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:33:40,065 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:33:40,470 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:33:40,470 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:33:40,609 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:33:40,609 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-02-05 10:33:40,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:33:40 BoogieIcfgContainer [2024-02-05 10:33:40,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:33:40,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:33:40,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:33:40,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:33:40,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:37" (1/4) ... [2024-02-05 10:33:40,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc8d65b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:33:40, skipping insertion in model container [2024-02-05 10:33:40,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:33:39" (2/4) ... [2024-02-05 10:33:40,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc8d65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:33:40, skipping insertion in model container [2024-02-05 10:33:40,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:39" (3/4) ... [2024-02-05 10:33:40,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc8d65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:33:40, skipping insertion in model container [2024-02-05 10:33:40,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:33:40" (4/4) ... [2024-02-05 10:33:40,616 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-02-05 10:33:40,628 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:33:40,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-02-05 10:33:40,629 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:33:40,699 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-05 10:33:40,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 176 flow [2024-02-05 10:33:40,768 INFO L124 PetriNetUnfolderBase]: 6/79 cut-off events. [2024-02-05 10:33:40,768 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:40,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 6/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 214 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-02-05 10:33:40,772 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 81 transitions, 176 flow [2024-02-05 10:33:40,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 168 flow [2024-02-05 10:33:40,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:33:40,788 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7cec5260, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:33:40,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 55 error locations. [2024-02-05 10:33:40,790 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:33:40,790 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:33:40,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:33:40,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:40,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:33:40,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:40,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash 12081, now seen corresponding path program 1 times [2024-02-05 10:33:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:40,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369877014] [2024-02-05 10:33:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:41,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369877014] [2024-02-05 10:33:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369877014] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:41,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:41,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:33:41,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564172776] [2024-02-05 10:33:41,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:41,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:41,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:41,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 81 [2024-02-05 10:33:41,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:41,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:41,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 81 [2024-02-05 10:33:41,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:41,544 INFO L124 PetriNetUnfolderBase]: 336/797 cut-off events. [2024-02-05 10:33:41,544 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-02-05 10:33:41,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1375 conditions, 797 events. 336/797 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5143 event pairs, 225 based on Foata normal form. 63/653 useless extension candidates. Maximal degree in co-relation 1230. Up to 544 conditions per place. [2024-02-05 10:33:41,558 INFO L140 encePairwiseOnDemand]: 72/81 looper letters, 40 selfloop transitions, 2 changer transitions 0/71 dead transitions. [2024-02-05 10:33:41,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 238 flow [2024-02-05 10:33:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-02-05 10:33:41,571 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5843621399176955 [2024-02-05 10:33:41,572 INFO L175 Difference]: Start difference. First operand has 79 places, 78 transitions, 168 flow. Second operand 3 states and 142 transitions. [2024-02-05 10:33:41,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 238 flow [2024-02-05 10:33:41,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 71 transitions, 230 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-05 10:33:41,581 INFO L231 Difference]: Finished difference. Result has 72 places, 71 transitions, 150 flow [2024-02-05 10:33:41,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=72, PETRI_TRANSITIONS=71} [2024-02-05 10:33:41,586 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -7 predicate places. [2024-02-05 10:33:41,586 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 71 transitions, 150 flow [2024-02-05 10:33:41,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:41,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:41,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:33:41,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:33:41,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:41,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash 374919, now seen corresponding path program 1 times [2024-02-05 10:33:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:41,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394249358] [2024-02-05 10:33:41,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:41,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:41,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394249358] [2024-02-05 10:33:41,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394249358] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:41,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:41,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:41,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950255188] [2024-02-05 10:33:41,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:41,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:41,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:41,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:41,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:41,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 81 [2024-02-05 10:33:41,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:41,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:41,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 81 [2024-02-05 10:33:41,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:41,850 INFO L124 PetriNetUnfolderBase]: 336/796 cut-off events. [2024-02-05 10:33:41,850 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:41,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 796 events. 336/796 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5130 event pairs, 225 based on Foata normal form. 0/590 useless extension candidates. Maximal degree in co-relation 1345. Up to 542 conditions per place. [2024-02-05 10:33:41,854 INFO L140 encePairwiseOnDemand]: 78/81 looper letters, 39 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2024-02-05 10:33:41,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 70 transitions, 230 flow [2024-02-05 10:33:41,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-02-05 10:33:41,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5679012345679012 [2024-02-05 10:33:41,856 INFO L175 Difference]: Start difference. First operand has 72 places, 71 transitions, 150 flow. Second operand 3 states and 138 transitions. [2024-02-05 10:33:41,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 70 transitions, 230 flow [2024-02-05 10:33:41,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 70 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:41,858 INFO L231 Difference]: Finished difference. Result has 71 places, 70 transitions, 148 flow [2024-02-05 10:33:41,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2024-02-05 10:33:41,859 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -8 predicate places. [2024-02-05 10:33:41,859 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 148 flow [2024-02-05 10:33:41,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:41,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:41,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:33:41,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:33:41,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:41,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash 11622880, now seen corresponding path program 1 times [2024-02-05 10:33:41,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:41,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98307010] [2024-02-05 10:33:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:41,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:41,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:41,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98307010] [2024-02-05 10:33:41,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98307010] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:41,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:41,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:41,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552966185] [2024-02-05 10:33:41,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:41,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:41,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:41,929 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 81 [2024-02-05 10:33:41,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:41,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:41,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 81 [2024-02-05 10:33:41,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:42,041 INFO L124 PetriNetUnfolderBase]: 336/795 cut-off events. [2024-02-05 10:33:42,041 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:42,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 795 events. 336/795 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5144 event pairs, 225 based on Foata normal form. 0/590 useless extension candidates. Maximal degree in co-relation 1341. Up to 540 conditions per place. [2024-02-05 10:33:42,045 INFO L140 encePairwiseOnDemand]: 78/81 looper letters, 38 selfloop transitions, 2 changer transitions 0/69 dead transitions. [2024-02-05 10:33:42,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 69 transitions, 226 flow [2024-02-05 10:33:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2024-02-05 10:33:42,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5761316872427984 [2024-02-05 10:33:42,047 INFO L175 Difference]: Start difference. First operand has 71 places, 70 transitions, 148 flow. Second operand 3 states and 140 transitions. [2024-02-05 10:33:42,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 69 transitions, 226 flow [2024-02-05 10:33:42,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 69 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:42,049 INFO L231 Difference]: Finished difference. Result has 70 places, 69 transitions, 146 flow [2024-02-05 10:33:42,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=70, PETRI_TRANSITIONS=69} [2024-02-05 10:33:42,050 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -9 predicate places. [2024-02-05 10:33:42,050 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 69 transitions, 146 flow [2024-02-05 10:33:42,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:42,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:42,051 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:33:42,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:33:42,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:42,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:42,052 INFO L85 PathProgramCache]: Analyzing trace with hash 360309628, now seen corresponding path program 1 times [2024-02-05 10:33:42,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204390765] [2024-02-05 10:33:42,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:42,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:42,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:42,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204390765] [2024-02-05 10:33:42,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204390765] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:42,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:42,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591404275] [2024-02-05 10:33:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:42,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:42,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:42,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:42,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:42,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 81 [2024-02-05 10:33:42,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 69 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:42,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:42,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 81 [2024-02-05 10:33:42,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:42,228 INFO L124 PetriNetUnfolderBase]: 336/794 cut-off events. [2024-02-05 10:33:42,229 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:42,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 794 events. 336/794 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5101 event pairs, 225 based on Foata normal form. 0/590 useless extension candidates. Maximal degree in co-relation 1337. Up to 538 conditions per place. [2024-02-05 10:33:42,233 INFO L140 encePairwiseOnDemand]: 78/81 looper letters, 37 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2024-02-05 10:33:42,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 68 transitions, 222 flow [2024-02-05 10:33:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-02-05 10:33:42,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5843621399176955 [2024-02-05 10:33:42,237 INFO L175 Difference]: Start difference. First operand has 70 places, 69 transitions, 146 flow. Second operand 3 states and 142 transitions. [2024-02-05 10:33:42,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 68 transitions, 222 flow [2024-02-05 10:33:42,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:42,240 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 144 flow [2024-02-05 10:33:42,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-02-05 10:33:42,241 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -10 predicate places. [2024-02-05 10:33:42,241 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 144 flow [2024-02-05 10:33:42,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:42,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:42,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:33:42,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:33:42,242 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:42,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:42,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1715303005, now seen corresponding path program 1 times [2024-02-05 10:33:42,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:42,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471041875] [2024-02-05 10:33:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:42,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:42,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:42,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471041875] [2024-02-05 10:33:42,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471041875] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:42,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:42,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:42,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348678025] [2024-02-05 10:33:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:42,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:42,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:42,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:42,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:42,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 81 [2024-02-05 10:33:42,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:42,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:42,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 81 [2024-02-05 10:33:42,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:42,415 INFO L124 PetriNetUnfolderBase]: 334/882 cut-off events. [2024-02-05 10:33:42,415 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:42,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1397 conditions, 882 events. 334/882 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5985 event pairs, 176 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 1382. Up to 497 conditions per place. [2024-02-05 10:33:42,420 INFO L140 encePairwiseOnDemand]: 78/81 looper letters, 34 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2024-02-05 10:33:42,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 67 transitions, 214 flow [2024-02-05 10:33:42,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2024-02-05 10:33:42,422 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6090534979423868 [2024-02-05 10:33:42,422 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 144 flow. Second operand 3 states and 148 transitions. [2024-02-05 10:33:42,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 67 transitions, 214 flow [2024-02-05 10:33:42,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 67 transitions, 210 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:42,424 INFO L231 Difference]: Finished difference. Result has 68 places, 67 transitions, 142 flow [2024-02-05 10:33:42,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=68, PETRI_TRANSITIONS=67} [2024-02-05 10:33:42,426 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -11 predicate places. [2024-02-05 10:33:42,426 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 67 transitions, 142 flow [2024-02-05 10:33:42,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:33:42,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:42,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:33:42,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-05 10:33:42,427 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 52 more)] === [2024-02-05 10:33:42,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:42,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785229, now seen corresponding path program 1 times [2024-02-05 10:33:42,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:42,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505627894] [2024-02-05 10:33:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:33:42,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:33:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:33:42,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:33:42,464 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:33:42,464 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 55 remaining) [2024-02-05 10:33:42,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 55 remaining) [2024-02-05 10:33:42,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 55 remaining) [2024-02-05 10:33:42,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 55 remaining) [2024-02-05 10:33:42,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 55 remaining) [2024-02-05 10:33:42,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 55 remaining) [2024-02-05 10:33:42,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 55 remaining) [2024-02-05 10:33:42,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 55 remaining) [2024-02-05 10:33:42,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 55 remaining) [2024-02-05 10:33:42,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 55 remaining) [2024-02-05 10:33:42,472 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 55 remaining) [2024-02-05 10:33:42,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 55 remaining) [2024-02-05 10:33:42,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 55 remaining) [2024-02-05 10:33:42,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 55 remaining) [2024-02-05 10:33:42,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 55 remaining) [2024-02-05 10:33:42,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 55 remaining) [2024-02-05 10:33:42,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 55 remaining) [2024-02-05 10:33:42,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (24 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 55 remaining) [2024-02-05 10:33:42,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 55 remaining) [2024-02-05 10:33:42,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 55 remaining) [2024-02-05 10:33:42,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 55 remaining) [2024-02-05 10:33:42,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 55 remaining) [2024-02-05 10:33:42,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 55 remaining) [2024-02-05 10:33:42,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 55 remaining) [2024-02-05 10:33:42,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 55 remaining) [2024-02-05 10:33:42,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 55 remaining) [2024-02-05 10:33:42,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 55 remaining) [2024-02-05 10:33:42,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 55 remaining) [2024-02-05 10:33:42,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 55 remaining) [2024-02-05 10:33:42,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 55 remaining) [2024-02-05 10:33:42,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 55 remaining) [2024-02-05 10:33:42,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 55 remaining) [2024-02-05 10:33:42,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-05 10:33:42,484 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-02-05 10:33:42,489 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:33:42,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:33:42,507 INFO L503 ceAbstractionStarter]: Automizer considered 30 witness invariants [2024-02-05 10:33:42,507 INFO L504 ceAbstractionStarter]: WitnessConsidered=30 [2024-02-05 10:33:42,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:33:42 BasicIcfg [2024-02-05 10:33:42,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:33:42,510 INFO L158 Benchmark]: Toolchain (without parser) took 3157.78ms. Allocated memory was 192.9MB in the beginning and 295.7MB in the end (delta: 102.8MB). Free memory was 116.6MB in the beginning and 153.7MB in the end (delta: -37.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,510 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:33:42,510 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 192.9MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:33:42,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.77ms. Allocated memory is still 192.9MB. Free memory was 116.6MB in the beginning and 99.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.63ms. Allocated memory is still 192.9MB. Free memory was 99.6MB in the beginning and 97.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,511 INFO L158 Benchmark]: Boogie Preprocessor took 79.46ms. Allocated memory is still 192.9MB. Free memory was 97.7MB in the beginning and 95.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,512 INFO L158 Benchmark]: RCFGBuilder took 798.08ms. Allocated memory is still 192.9MB. Free memory was 95.4MB in the beginning and 133.9MB in the end (delta: -38.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,512 INFO L158 Benchmark]: TraceAbstraction took 1898.24ms. Allocated memory was 192.9MB in the beginning and 295.7MB in the end (delta: 102.8MB). Free memory was 133.9MB in the beginning and 153.7MB in the end (delta: -19.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-02-05 10:33:42,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 192.9MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.77ms. Allocated memory is still 192.9MB. Free memory was 116.6MB in the beginning and 99.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.63ms. Allocated memory is still 192.9MB. Free memory was 99.6MB in the beginning and 97.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.46ms. Allocated memory is still 192.9MB. Free memory was 97.7MB in the beginning and 95.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.08ms. Allocated memory is still 192.9MB. Free memory was 95.4MB in the beginning and 133.9MB in the end (delta: -38.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1898.24ms. Allocated memory was 192.9MB in the beginning and 295.7MB in the end (delta: 102.8MB). Free memory was 133.9MB in the beginning and 153.7MB in the end (delta: -19.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 88]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int pos, i1, i2, N; [L39] _Bool d1, d2; [L80] pthread_t t1, t2; VAL [N=0, d1=0, d2=0, i1=0, i2=0, pos=0, t1={3:0}, t2={5:0}] [L83] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L83] pos = __VERIFIER_nondet_uint() [L84] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L84] i1 = __VERIFIER_nondet_uint() [L85] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L85] i2 = __VERIFIER_nondet_uint() [L86] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L86] N = __VERIFIER_nondet_uint() [L87] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L87] d1 = __VERIFIER_nondet_bool() [L88] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[d2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[d1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [d1=2, d2=0, t1={3:0}, t2={5:0}] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 126 locations, 55 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 39 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-05 10:33:42,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE